LILYGO TTGO T-Beam v1.0 ESP32 LoRa 433/868/915Mhz WiFi GPS NEO-6M 18650 WiF... (FREQUENCY: 915MHZ)

SELECTED OPTION:
FREQUENCY: 915MHZ

Product upgrade part: 1. The pin GPIO34 is replaced with GPIO15 2. Replace the charging IC (TP5400) with the power management AXP192 3. Replace TX and RX pins of GPS 4. The power switch is removed and replaced with a key switch 5. Minimize sleep current 6. GPS battery replacement

Product Features: ESP32 ESP32 new version: REV1 wireless online Bluetooth 4MB flash 3D antenna LORA TP5400 1A battery management LED indicator USB CP2104-GMR Pre-flashed firmware: -SoftRF V4.0 Digital RSSI function Automatic frequency correction Automatic gain control RF wake-up function Low voltage detection and temperature sensor Fast wake-up and frequency hopping Highly configurable packet handler Global Positioning System GPS module NEO-6M, universal 3V-5V power supply Specified module with ceramic antenna, super strong signal Save configuration parameter data EEPROM Down With data backup battery With LED signal indicator Default baud rate: 9600 Description: Working voltage: 1.8 ~ 3.7v Acceptable current: 10 ~ 14mA Transmitting current: 120mA @ + 20dBm, 90mA @ + 17dBm, 29mA @ + 13dBm Working frequency: 433 / 470MHz (433HMz version) / 868M / 915M (868MHz version) Transmitting power: + 20dBm Receiving sensitivity: -139dBm @ LoRa and 62.5Khz & SF = 12 and 146bps -136dBm @ LoRa and 125Khz & SF = 12 & 293bps -118dBm @ LoRa & 125Khz & SF = 6 & 9380bps -123dBm@FSK&5Khz&1.2Kbps Frequency error: +/- 15KHz FIFO space: 64Byte Data rate: 1.2K ~ 300Kbps @ FSK, 0.018K~37.5Kbps@LoRa Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK Interface form: SPI Sleep current: 0.2uA@SLEEP, 1.5uA@IDLE Working temperature: -40 a-+ 85 a
Package includes:

1 x TTGO T-Beam ESP32 LoRa development board with 18650 battery holder 1 x antenna 2 x header